1868801339 has 4 divisors (see below), whose sum is σ = 1872855600. Its totient is φ = 1864747080.

The previous prime is 1868801293. The next prime is 1868801351. The reversal of 1868801339 is 9331088681.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1868801339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1868801293 and 1868801302.

It is not an unprimeable number, because it can be changed into a prime (1868201339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026439 + ... + 2027360.

It is an arithmetic number, because the mean of its divisors is an integer number (468213900).

Almost surely, 2^1868801339 is an apocalyptic number.

1868801339 is a deficient number, since it is larger than the sum of its proper divisors (4054261).

1868801339 is an equidigital number, since it uses as much as digits as its factorization.

1868801339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054260.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1868801339 is about 43229.6349626041. The cubic root of 1868801339 is about 1231.7456736205.

The spelling of 1868801339 in words is "one billion, eight hundred sixty-eight million, eight hundred one thousand, three hundred thirty-nine".